20348520178

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{3403901}}^1$

素因数の和:3403978

約数の個数: 24

約数和(自身を含む): 36088169004

約数和(自身を除く): 15739648826

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 5978, 3403901, 6807802, 23827307, 47654614, 166791149, 207637961, 333582298, 415275922, 1453465727, 2906931454, 10174260089, 20348520178]

約数ペア:

[(1, 20348520178), (2, 10174260089), (7, 2906931454), (14, 1453465727), (49, 415275922), (61, 333582298), (98, 207637961), (122, 166791149), (427, 47654614), (854, 23827307), (2989, 6807802), (5978, 3403901)]